<?xml version="1.0" encoding="UTF-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

	<xs:simpleType name="stringtype">
		<xs:restriction base="xs:string"/>
	</xs:simpleType>

	<xs:simpleType name="inttype">
		<xs:restriction base="xs:positiveInteger"/>
	</xs:simpleType>

	<xs:simpleType name="dectype">
		<xs:restriction base="xs:decimal"/>
	</xs:simpleType>

	<xs:simpleType name="orderidtype">
		<xs:restriction base="xs:string">
			<xs:pattern value="[0-9]{6}"/>
		</xs:restriction>
	</xs:simpleType>

	<xs:complexType name="shiptotype">
		<xs:sequence>
			<xs:element name="name" type="stringtype"/>
			<xs:element name="address" type="stringtype"/>
			<xs:element name="city" type="stringtype"/>
			<xs:element name="country" type="stringtype"/>
		</xs:sequence>
	</xs:complexType>

	<xs:complexType name="itemtype">
		<xs:sequence>
			<xs:element name="artist" type="stringtype" minOccurs="0"/>
			<xs:element name="title" type="stringtype"/>
			<xs:element name="note" type="stringtype" minOccurs="0"/>
			<xs:element name="quantity" type="inttype"/>
			<xs:element name="price" type="dectype"/>
		</xs:sequence>
	</xs:complexType>

	<xs:complexType name="shipordertype">
		<xs:sequence>
			<xs:element name="orderperson" type="stringtype"/>
			<xs:element name="shipto" type="shiptotype"/>
			<xs:element name="item" maxOccurs="unbounded" type="itemtype"/>
		</xs:sequence>
		<xs:attribute name="orderid" type="orderidtype" use="required"/>
	</xs:complexType>

	<xs:element name="shiporder" type="shipordertype"/>

</xs:schema>